控制input爲number時樣式

當input的type爲number時會顯示數字加減的上下箭頭，這裏把其去掉：input[type="number"]{
  -moz-appearance: textfield;
  -webkit-appearance: none !important;
}
input::-webkit-inner-spin-button {
  -webkit-appearance: none !important;
  margin: 0;
}